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Lernean

One of a family (Lern/id/) of parasitic Crustacea found attached to fishes and other marine animals. Some species penetrate the skin and flesh with the elongated head, and feed on the viscera. See Illust. in Appendix.

Lerot lerot

A small rodent (Eliomys nitela) of Europe and Northern Africa, allied to the dormouse.

Lesion

A hurt; an injury. Loss sustained from failure to fulfill a bargain or contract. Any morbid change in the exercise of functions or the texture of organs.

lespedeza

Any shrubby or herbaceous plant of the genus Lespedeza, widely used for forage, soil improvement, and especially hay in the Southern U.S.

Lesquerella

A genus of low-growing hairy herbs, comprising some of the bladderpods.

Less

To make less; to lessen.

less-traveled

not visited by many travelers; as, the tourist's desire to visit less-traveled countries.

Lessee

The person to whom a lease is given, or who takes an estate by lease.

Lessen

To become less; to shrink; to contract; to decrease; to be diminished; as, the apparent magnitude of objects lessens as we recede from them; his care, or his wealth, lessened.

Lessener

One who, or that which, lessens.

lessening

a change downward; a decrease; a reduction.

Lesses

The leavings or dung of beasts.

Lessor

One who leases; the person who lets to farm, or gives a lease.

Lest

For fear that; that . . . not; in order that . . . not.

Lester

A dry sirocco in the Madeira Islands.

Let-off

A device for letting off, releasing, or giving forth, as the warp from the cylinder of a loom.

Let-up

Abatement; also, cessation; as, it blew a gale for three days without any let-up.

Letch

Strong desire; passion; especially, lust.

Lete

To let; to leave.

Lethality

The quality of being lethal; mortality.

Lethargical Lethargic

Pertaining to, affected with, or resembling, lethargy; morbidly drowsy; dull; heavy.

Lethe

A river of Hades whose waters when drunk caused forgetfulness of the past.

Lethean

Of or pertaining to Lethe; resembling in effect the water of Lethe.

Letheon

Sulphuric ether used as an an/sthetic agent.

Lette

To let; to hinder. See Let, to hinder.

Letter

To impress with letters; to mark with letters or words; as, a book gilt and lettered.

letter-bomb letter bomb

A bomb disguised as a letter and sent through the mail, usually rigged to explode and kill or harm the recipient when opened.

letter-perfect

correct to the last detail; especially being in or following the exact words; as, a letter-perfect rendition of the soliloquy.

lettercard

a postcard that folds so that the message is inside.

Lettered

Literate; educated; versed in literature.

Letterer

One who makes, inscribes, or engraves, alphabetical letters.

Lettering

The act or business of making, or marking with, letters, as by cutting or painting.

Letterpress

Print; letters and words impressed on paper or other material by types; -- often used of the reading matter in distinction from the illustrations.

Letterwood

The beautiful and highly elastic wood of a tree of the genus Brosimum (Brosimum Aubletii), found in Guiana; -- so called from black spots in it which bear some resemblance to hieroglyphics; also called snakewood, and leopardwood. It is much used for bows and for walking sticks.

Lettic

Of or pertaining to the Letts; Lettish. Of or pertaining to a branch of the Slavic family, subdivided into Lettish, Lithuanian, and Old Prussian. The language of the Letts; Lettish. The language of the Lettic race, including Lettish, Lithuanian, and Old Prussian.

Lettish

Of or pertaining to the Letts. The language spoken by the Letts. See Lettic.

Letts

An Indo-European people, allied to the Lithuanians and Old Prussians, and inhabiting a part of the Baltic provinces of Russia.

Lettuce

A composite plant of the genus Lactuca (Lactuca sativa), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is Lactuca Canadensis.

Leuc- Leuco-

A combining form signifying white, colorless; specif. (Chem.), denoting an extensive series of colorless organic compounds, obtained by reduction from certain other colored compounds; as, leucaniline, leucaurin, etc.

Leucadendron

A genus of evergreen shrubs from the Cape of Good Hope, having handsome foliage. Leucadendron argenteum is the silverboom of the colonists.

Leucaniline

A colorless, crystalline, organic base, obtained from rosaniline by reduction, and also from other sources. It forms colorless salts.

Leucin Leucine

a naturally occurring alpha-amino acid ((CH3)2CH.CH2.CH(NH2)-COOH), one of the building units of almost all proteins of living organisms, both animal and vegetable. It is one of the essential amino acids (not synthesized by the human body, a required component for proper nutrition), and is hydrophobic in character when bound in proteins. In isolated form it is a white, crystalline, zwitterionic substance formed, e. g. by the decomposition of proteins by pancreatic digestion, by the action of boiling dilute mineral acid, or by putrefaction. Chemically it is to be considered as amido-caproic acid. It occurs as two optical isomers, the L- and D-forms. The L-form, L-leucine, is the natural form, present in most proteins.

Leucinic Leucic

Pertaining to, or designating, an acid obtained from leucin, and called also oxycaproic acid.

Leuciscus

A genus of freshwater fishes including the dace (Leuciscus leuciscus).

Leucitic

Containing leucite; as, leucitic rocks.

Leucitoid

The trapezohedron or tetragonal trisoctahedron; -- so called as being the form of the mineral leucite.

Leucocyte

A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of bone, connective tissue, etc.

Leucoethiopic

White and black; -- said of a white animal of a black species, or the albino of the negro race.

Leucoline

A nitrogenous organic base from coal tar, and identical with quinoline. Cf. Quinoline.

Leucoma

A white opacity in the cornea of the eye; -- called also albugo.

Leucomaine

An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison.

Leuconic

Pertaining to, or designating, a complex organic acid, obtained as a yellowish white gum by the oxidation of croconic acid.

Leucopathy

The state of an albino, or of a white child of black parents.

Leucophane

A mineral of a greenish yellow color; it is a silicate of glucina, lime, and soda with fluorine. Called also leucophanite.

Leucophlegmacy

A dropsical habit of body, or the commencement of anasarca; paleness, with viscid juices and cold sweats.

Leucophlegmatic

Having a dropsical habit of body, with a white bloated skin.

Leucophyll

A colorless substance isomeric with chlorophyll, contained in parts of plants capable of becoming green.

Leucoplastid Leucoplast

One of certain very minute whitish or colorless granules occurring in the protoplasm of plants and supposed to be the nuclei around which starch granules will form.

Leucopyrite

A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.

Leucorrhoea

A discharge of a white, yellowish, or greenish, viscid mucus, resulting from inflammation or irritation of the membrane lining the genital organs of the female; the whites.

Leucoryx

A large antelope of North Africa (Oryx leucoryx), allied to the gemsbok.

Leucoscope

An instrument, devised by Professor Helmholtz, for testing the color perception of the eye, or for comparing different lights, as to their constituent colors or their relative whiteness.

Leucosoid

Like or pertaining to the Leucosoidea, a tribe of marine crabs including the box crab or Calappa.

Leucoturic

Pertaining to, or designating, a nitrogenous organic substance of the uric acid group, called leucoturic acid or oxalantin. See Oxalantin.

Leucous

White; -- applied to albinos, from the whiteness of their skin and hair.

Leucoxene

A nearly opaque white mineral, in part identical with titanite, observed in some igneous rocks as the result of the alteration of titanic iron.

leukaemia leukemia

A disease in which the white corpuscles of the blood are largely increased in number, and there is enlargement of the spleen, or the lymphatic glands; formerly called leucocythaemia. It is due to a cancer of the bone marrow, and results in anemia and increased susceptibility to infectious disease.

Levana

A goddess who protected newborn infants.

Levant

To run away from one's debts; to decamp.

Levanter

A strong easterly wind peculiar to the Mediterranean.

Levantine

A native or inhabitant of the Levant.

Levation

The act of raising; elevation; upward motion, as that produced by the action of a levator muscle.

Levator

A muscle that serves to raise some part, as the lip or the eyelid.

Leve

To grant; -- used esp. in exclamations or prayers followed by a dependent clause.

Levee

To keep within a channel by means of levees; as, to levee a river.

Leveful

Allowable; permissible; lawful.

Level

To be level; to be on a level with, or on an equality with, something; hence, to accord; to agree; to suit.

Leveler

One who, or that which, levels.

levelheaded

exercising or showing good judgment or common sense; sensible.

Leveling

The act or operation of making level.

Levelism

The disposition or endeavor to level all distinctions of rank in society.

Levelness

The state or quality of being level.

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